Historical tsunamis · Sep 27, 1974, 5:47 AM UTC
1974 S. Kuril Islands tsunami
Russia
The tsunami of Sep 27, 1974, 5:47 AM UTC originated near S. Kuril Islands (Russia).
Key facts
- Date
- Sep 27, 1974, 5:47 AM UTC
- Cause
- Earthquake
- Magnitude
- M6.7
- Depth
- 43 km
- Maximum documented water height
- 0.37 m
- Observation records
- 3
- Countries affected
- 1
It was triggered by a magnitude 6.7 earthquake at a depth of 43 km.
The highest documented water height was 0.37 m.
3 observation sites in 1 countries are recorded.
Map of observation sites
3Each dot is a documented observation site; colour and size show the observed water height. The triangle marks the source.
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
 Japan | 3 | 0.18 m Hanasaki | — | — |
Highest documented water heights
3 / 3Individual documented observations for this event. Heights come from different measurement types and sources; not every location has a measured height.
| Location / station | Observed height | Distance from source | Country |
|---|---|---|---|
| Hanasaki · Hokkaido | 0.18 m | 92 km | Japan |
| Hiroo · Hokkaido | 0.10 m | 295 km | Japan |
| Kushiro · Hokkaido | 0.05 m | 191 km | Japan |
More tsunamis
Source: NOAA National Centers for Environmental Information (NCEI), Global Historical Tsunami Database. Confirmed events only. Deaths and damage are database estimates; older records are incomplete. Water heights come from different types of observation.